Evidence-based guidelines won’t prevent malpractice claims

14.07.2016
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The best way to avoid being sued for malpractice is to make certain that all your patients are happy and all their outcomes are good. Reality is seldom so rosy. Patients aren’t necessarily happy even when their clinical outcomes are as good as they can get. In the event of an undesired outcome, an unhappy patient may easily become a litigious one.

A study in the New England Journal of Medicine estimated that 36 percent of physicians in low-risk specialties such as pediatrics, and 88 percent of physicians in high-risk surgical specialties, would face a malpractice claim by the age of 45. Those percentages climb to 75 percent of physicians in low-risk specialties and 99 percent of physicians in high-risk specialties by the age of 65.

Flaws in clinical practice guidelines

Can clinical practice guidelines protect us? We are all beset by the proliferating standards and guidelines of evidence-based medicine. It’s comforting to think that a court may consider adherence to a legitimate clinical practice guideline (CPG) as evidence of reasonable prudence and acceptable practice. At the same time, physicians know that guidelines are imperfect. Many guidelines are debated and revised over time, some are discontinued when they are found to do more harm than good, and some have been found to be contaminated by conflicts of interest.

Some examples:

Though the evidence may be flawed, evidence-based medicine has shown an alarming tendency to evolve from guidelines into inflexible rules, especially if payment is linked to them. Physicians may come under pressure from regulators and hospital administrators to apply these rules mechanically, with inadequate attention to context or to a patient’s other health issues. As an excellent article in the British Medical Journal last year pointed out dryly, “The patient with a single condition that maps unproblematically to a single evidence-based guideline is becoming a rarity.” A guideline for the management of one risk factor or disease “may cause or exacerbate another—most commonly through the perils of polypharmacy in the older patient.”

Each case is a snowflake

Basing decisions on well-established clinical guidelines may be a reasonable line of defense against an accusation of malpractice. However, guidelines focus on general decision-making, while litigation focuses on the particular facts of the case under consideration. A plaintiff’s attorney is likely to argue that a guideline should have been overruled by physician judgment in the plaintiff’s individual case, if it led to a decision that caused harm to the patient.

One precedent-setting case in 1974 didn’t help a physician who followed a practice guideline. In Helling v. Carey, the plaintiff suffered from glaucoma that resulted in loss of vision. Her ophthalmologists didn’t test her for this condition until she had been their patient for several years because she was still under 40, the age at which practice guidelines recommended testing. Though the incidence of glaucoma in younger patients is extremely low, the court found that the patient “is entitled to the same protection as afforded persons over forty,” and that “reasonable prudence required the timely giving of the pressure test to this plaintiff.” Noting that the test was simple and harmless, the opinion stated, “that irrespective of its disregard by the standards of the ophthalmology profession, it is the duty of the courts to say what is required to protect patients.”

The cornerstone of defense against an accusation of malpractice traditionally has been to demonstrate that the physician’s actions were consistent with customary practice in the relevant medical community. Today, however, new CPGs are often implemented in order to change physician practices, especially with an eye to making them more cost-effective. As a new guideline gains currency, it may become synonymous with customary practice, but in the short run it may be just the opposite. As long as courts use customary practice to set the legal standard, it may not be in a physician’s best interest to be an “early adopter” of a new CPG.

The Choosing Wisely® campaign, created by the ABIM Foundation, intends “to help providers and patients engage in conversations to reduce overuse of tests and procedures.” A recent article in Medscape Business of Medicine, by William Sullivan, DO, JD, outlined how the Choosing Wisely recommendations could have adverse consequences for some patients and increase malpractice risks for physicians. For example, the recommendation not to order imaging studies for nonspecific back pain inevitably will miss some cases of cancer, infection, and cauda equina syndrome. If a physician orders a test that wasn’t recommended, and a complication occurs as a result, then the argument could be made that it was negligent to order the test in the first place.

Successful defense based on CPG

Medical malpractice historically has been a matter of state law, not federal, and courts in different states have taken different approaches in their handling of CPGs. In some instances, CPGs have been deemed inadmissible as evidence, though there has been a trend toward accepting guidelines as “learned treatises” that can help in defense of physicians.

In one Tennessee case, a patient presented to a cardiologist complaining of chest pain. The cardiologist followed evaluation guidelines created by the American College of Cardiology and the American Heart Association, and concluded that the patient didn’t require admission to the hospital. The patient died at home three hours later from cardiopulmonary arrest. The court ruled in favor of the physician, finding that a majority of experts recognize these guidelines as a standard of care for the profession.

Another malpractice suit was filed on behalf of a plaintiff who underwent carotid endarterectomy and suffered a stroke resulting in permanent disability. The suit alleged that the physician hadn’t provided her with adequate informed consent since she wasn’t told about chelation therapy as an alternative treatment. The judge in this case accepted the defendant physician’s motion for summary judgment, meaning that the case never went to trial at all. The physician introduced guidelines from the American College of Physicians and other medical societies, all concluding that chelation therapy was not a recognized, effective treatment for atherosclerotic disease.

Guidelines as a legal “safe harbor”

Several states have attempted setting up “safe harbor” provisions to offer protection from malpractice lawsuits to physicians who follow accepted clinical guidelines. Maine’s was the best-known effort, initiated in 1990, but its statutory guidelines were not used to settle many legal disputes and eventually the legislation was repealed. Maryland also established an “Advisory Committee on Practice Parameters”, but that legislation was repealed in 1999.

In February, 2014, Representatives Andy Barr (R-KY) and Ami Bera (D-CA) introduced H.R. 4106, a bill named “Saving Lives, Saving Costs”, which takes clinical guidelines and malpractice lawsuits to the federal level. The goal of this tort reform bill is to “establish a framework for health care liability lawsuits to undergo review by independent medical review panels” if the physician adhered to applicable clinical practice guidelines. The basic provisions:

The Secretary of Health and Human Services (HHS) would publish approved clinical practice guidelines, and also set standards for guideline development;

If a defendant physician alleges that care adhered to applicable guidelines, the defendant could move any liability action brought in a state court to a federal district court for review by a three-physician independent review panel;

Favorable finding by the review panel could lead to dismissal of the claim, or if the defendant physician subsequently wins the case at trial, costs and attorneys’ fees could be recovered from the plaintiff.

Some physicians might question the wisdom of involving the federal government in the process of establishing clinical guidelines. Another downside would be the inevitable pressure to follow approved guidelines in the interest of liability protection rather than because they represent the best clinical pathway for the patient. As of March 2014, the bill was referred to the Subcommittee on the Constitution and Civil Justice, and the 114th Congress has taken no further action to date.

Conclusion

Evidence-based medicine and the use of CPGs won’t protect patients or physicians from all undesired outcomes or lawsuits, though they can be helpful in defense. They can guide decision-making, but can’t replace experience and judgment. In the event that a physician follows a new practice guideline, a plaintiff’s attorney may argue that the new guideline was not the current community standard of care. Even if the physician follows an established guideline, an expert witness for the plaintiff could argue that the physician’s judgment in the individual case should have differed from the guideline.

It’s possible that linking practice guidelines to tort reform may ultimately be enough of an incentive to change physician practice. That transformation already appears to be underway in linking payment to the performance of “best practices”. The question ultimately is whether American society will decide to replace the personalized authority of a physician’s judgment with the impersonal rule of practice guidelines. For the foreseeable future, unfortunate clinical outcomes will often be subject to lawsuit on the grounds of individual physician malpractice or negligence. The best defense is good documentation of the decision process, the information and guidelines current at the time, the discussion of risks, and the agreement between patient and physician about the plan of care.

This article was originally published in Maryland Medicine, vol. 16, issue 1, 2015

Selected References

1.  Anupam B, Seabury S, Darius L, Chandra A. Malpractice risk according to physician specialty. N Engl J Med 2011; 365:629-636.

2.  Colombo A, Chieffo A. Dual antiplatelet therapy after drug-eluting stents—How long to treat? N Engl J Med 2014; 371;2225-2226.

3.  The NICE-SUGAR Study Investigators. Intensive versus conventional glucose control in critically ill patients. N Engl J Med 2009; 360:1283-1297.

4.  Darouiche R et al. Chlorhexidine-alcohol versus povidone-iodine for surgical-site antisepsis. N Engl J Med 2010; 362:18-26.

5.  Department of Justice, Office of Public Affairs. CareFusion to pay the government $40.1 million to resolve allegations that include more than $11 million in kickbacks to one doctor. Published online January 9, 2014.

6. Hakkarainen T. et al. Comparative effectiveness of skin antiseptic agents in reducing surgical site infections: a report from the Washington State Surgical Care and Outcomes Assessment Program. J Am Coll Surg. 2014 Mar; 218(3): 336-44.

7.  Greenhalgh T, Howick J, Maskrey N. Evidence based medicine: a movement in crisis? BMJ 2014; 348:g3725. Published June 13, 2014.

8.  Matthews T. Practice guidelines and tort reform: The legal system confronts the technocratic wish. Journal of Health Politics, Policy and Law 1999; 24:275-304.

9.  Sullivan W. Why “choosing wisely” won’t protect you in a lawsuit. Online publication, Medscape Business of Medicine, January 22, 2015.

10. Mackey T, Liang B. The role of practice guidelines in medical malpractice litigation. AMA Journal of Ethics 2011; Vol. 13 No. 1: 36-41.

11. Bovbjerg R, Berenson R. The value of clinical practice guidelines as malpractice “safe harbors”. In: Timely Analysis of Immediate Health Policy Issues, April, 2012, published by the Urban Institute and the Robert Wood Johnson Foundation.

12. H.R. 4106 – Saving Lives, Saving Costs Act, 113th Congress. https://www.congress.gov/bill/113th-congress/house-bill/4106

Image copyright: wp paarz, flickr, CC BY SA

Article last time updated on 19.07.2016.

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